![]() ![]() Objectors also note that the exact levels of calcium and vitamin D that the body needs are disputed and are not uniform across individuals. Supplements can certainly fill that need. ![]() Adolescent girls do actually need more calcium on average. There are of course exceptions and dissenters. An excess of calcium has been linked to an increased risk for kidney stones and may increase the risk of heart disease, while an excess of vitamin D – which threshold is debated – may cause a higher risk for fractures and has been directly linked to a higher overall death rate. In fact, the panel compiled evidence suggesting that too much of either vitamin D or calcium could be detrimental to one's health. The researchers, who hailed mostly from university medical faculties, concluded that most people receive enough of both substances with a normal diet and limited time outdoors. Taking supplemental calcium and vitamin D, which has been widely recommended by doctors, is not necessary in most cases according to a panel of medical researchers convened by the Institute of Medicine, the New York Times reports. ![]()
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